[meteorite-list] Incorrect trajectory in INGEMMET report & Wiki page?

From: Michael Farmer <meteoriteguy_at_meteoritecentral.com>
Date: Sat, 6 Oct 2007 15:30:57 -0700 (PDT)
Message-ID: <893639.13701.qm_at_web33101.mail.mud.yahoo.com>

Look, we were there, we interviewed many people, the
meteorite came from the North by a tad east headed
south by southwest.
Mike
The graphics posted are correct within a degree or two
of error.

--- Jan Hattenbach <jan.hattenbach at web.de> wrote:

> Hi Rob, and List,
>
> I was also confused by the direction given in that
> report. According to an eyewitness who observed from
> Puno, the flight direction was "from left to right"
> which means somewhat N to S, not vice versa. The
> different wall heights of the crater also support
> the NE to SW flight direction. It's just one more
> incorrect part in media reports (in the beginning, I
> found lots of news repots claiming the impact was at
> midnight!)
>
> BTW: Thanks a lot to all of you for the useful and
> interesting discussions here. I am lucky to live in
> Arequipa, Peru at the moment, so I took the
> opportunity to go to Desaguadero twice, fotograph
> the crater, talk to the locals and buy some of the
> stones. What an experience! Unfortunately, I did not
> meet Michael there, who in my mind makes an
> excellent job!
>
> Jan (a new meteorite enthusiast...)
>
> > -----Urspr?ngliche Nachricht-----
> > Von: "Rob Matson" <mojave_meteorites at cox.net>
> > Gesendet: 06.10.07 23:27:50
> > An: <meteorite-list at meteoritecentral.com>
> > Betreff: [meteorite-list] Incorrect trajectory in
> INGEMMET report & Wiki page?
>
>
> >
> > Update and possible correction on the flight
> direction:
> >
> > The INGEMMET initial report and the Wikipedia
> entry for the Carancas
> > meteorite both state that the flight direction was
> toward the NNE,
> > but I'm wondering if they are both 180 degrees
> off. Here's the
> > Wiki link:
> >
> >
>
http://en.wikipedia.org/wiki/2007_Peruvian_meteorite_event
> >
> > The applicable sentence: "The object moved in a
> direction toward N030E."
> > I suspect the source for this sentence is the
> INGEMMET initial report
> > which says, "Apparent displacement azimuth of the
> object: towards N030E."
> >
> > Since the INGEMMET report got the GMT time wrong,
> I suppose it isn't a
> > stretch to assume they reversed the direction as
> well (or perhaps they
> > incorrectly translated from Spanish to English,
> replacing "from
> > N030E" with "towards N030E".) Whatever the case,
> it clearly doesn't
> > agree with this picture:
> >
> >
>
http://www.signs-of-the-times.org/image/image/3376/dn12704-3_800.jpg
> >
> > So if this trajectory is correct, the motion is
> instead toward azimuth
> > 210, and the meteoroid was on a *descending* node
> ecliptic crossing,
> > not ascending. For moderate entry angles, the
> radiant would have been
> > in Coma Berenices or Canes Venatici; Virgo for a
> steep entry angle;
> > Bootes for a very shallow one. Still means a slow
> to moderate
> > encounter velocity. --Rob
> >
> > ______________________________________________
> > Meteorite-list mailing list
> > Meteorite-list at meteoritecentral.com
> >
>
http://six.pairlist.net/mailman/listinfo/meteorite-list
> >
>
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Received on Sat 06 Oct 2007 06:30:57 PM PDT